Universal fuel tank



FIG. 1 is a perspective view of a universal fuel tank showing my new design, it being understood that the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a top plan view of the universal fuel tank illustrated in FIG. 1;

FIG. 3 is a front plan view of the universal fuel tank illustrated in FIG. 1;

FIG. 4 is a side plan view of the universal fuel tank illustrated in FIG. 1;

FIG. 5 is a side plan view of the universal fuel tank illustrated in FIG. 1;

FIG. 6 is a rear plan view of the universal fuel tank illustrated in FIG. 1; and,

FIG. 7 is a bottom plan view of the universal fuel tank illustrated in FIG. 1. 

The ornamental design for a universal fuel tank, as shown and described. 